MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3509aae7603690ed7a902f1d9b12ef6c2a9ba1909dbefc61d74372041be75c6. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



Formbook


Vendor detections: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: c3509aae7603690ed7a902f1d9b12ef6c2a9ba1909dbefc61d74372041be75c6
SHA3-384 hash: 4ebf8e8305df3affae103dc94117ca2daeb98ed2eb68e247914d6f5028f44f11c61126e4d421f502f2e6bb0f83909d59
SHA1 hash: 7f61dd4a9f7b98d811238a2a7773fa4c18a086c1
MD5 hash: e935e578fc9c3f2eb8eb3cf3ae0e1d8e
humanhash: quebec-eleven-diet-delta
File name:c3509aae7603690ed7a902f1d9b12ef6c2a9ba1909dbefc61d74372041be75c6
Download: download sample
Signature Formbook
File size:628'736 bytes
First seen:2024-01-10 14:56:39 UTC
Last seen:2024-01-10 16:34:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:ViWaKIjXq45YavjhJXhV31L3dUOo//P1x2UKwI6ckkmDfT:YWaKIhYavJhxNUOo/D2II60mrT
Threatray 99 similar samples on MalwareBazaar
TLSH T109D42357218CAF27C5F987FAC445859A02F3D63A0D11C24F2ECF25EA1B2AF0917266D7
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 3090d469baba0613 (1 x AgentTesla, 1 x Formbook)
Reporter adrian__luca
Tags:exe FormBook

Intelligence


File Origin
# of uploads :
2
# of downloads :
315
Origin country :
HU HU
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
MSIL Injector
Verdict:
Malicious
Result
Threat name:
FormBook
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected FormBook
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1372465 Sample: Ov9hNILtQw.exe Startdate: 10/01/2024 Architecture: WINDOWS Score: 100 32 www.byteblast.xyz 2->32 34 www.vida-mais-feliz.shop 2->34 36 18 other IPs or domains 2->36 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 Multi AV Scanner detection for submitted file 2->48 52 4 other signatures 2->52 10 Ov9hNILtQw.exe 4 2->10         started        signatures3 50 Performs DNS queries to domains with low reputation 32->50 process4 signatures5 62 Adds a directory exclusion to Windows Defender 10->62 64 Injects a PE file into a foreign processes 10->64 13 Ov9hNILtQw.exe 10->13         started        16 powershell.exe 23 10->16         started        process6 signatures7 66 Maps a DLL or memory area into another process 13->66 18 RKMjuKKGTkS.exe 13->18 injected 20 WmiPrvSE.exe 16->20         started        22 conhost.exe 16->22         started        process8 process9 24 RpcPing.exe 13 18->24         started        signatures10 54 Tries to steal Mail credentials (via file / registry access) 24->54 56 Tries to harvest and steal browser information (history, passwords, etc) 24->56 58 Writes to foreign memory regions 24->58 60 3 other signatures 24->60 27 RKMjuKKGTkS.exe 24->27 injected 30 firefox.exe 24->30         started        process11 dnsIp12 38 www.byteblast.xyz 162.0.236.122, 49746, 49747, 49748 NAMECHEAP-NETUS Canada 27->38 40 www.skairpewnym.icu 109.123.121.243, 49724, 49725, 49726 UK2NET-ASGB United Kingdom 27->40 42 12 other IPs or domains 27->42
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-29 04:37:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
27 of 37 (72.97%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
49921bd9cc6365ff85bcc6b75ebb6ef59718199d450cc78fc67e10d0fb542339
MD5 hash:
edf6b81a8c2968e49453b73c88111c60
SHA1 hash:
a647165ad740f6239aecb7f3feaf77ad173512a0
SH256 hash:
666cb98e340b5158ef5797bd5dad61f598b19969d42d14d7c5267301c2b7d532
MD5 hash:
575b66ee28fb3fe42c553cd514e9bfdf
SHA1 hash:
7dc4d72932dcda729fc69751bc4ce6c98a1adc7b
SH256 hash:
84c73d6a29ddd770f8ac6e01e9f05cf814e182d7c41fc8a6978c6ba09360fa7a
MD5 hash:
c0ec8c4066f6901ff3655fe4f0345dd3
SHA1 hash:
c84a66c1bae5e2a03b10a12224179d1fb7273190
SH256 hash:
21afe82a0b71ee589c26f32dc88e0a6e22817f21194b2a83f1807c6cecc8c818
MD5 hash:
440bb4db146ccb1161ac2bcf365d7676
SHA1 hash:
506eda511b46df6e95d86861e70fda81307f8623
SH256 hash:
c3509aae7603690ed7a902f1d9b12ef6c2a9ba1909dbefc61d74372041be75c6
MD5 hash:
e935e578fc9c3f2eb8eb3cf3ae0e1d8e
SHA1 hash:
7f61dd4a9f7b98d811238a2a7773fa4c18a086c1
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments